document.write( "Question 281534: How do you solve:\r
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document.write( "Jeff wants to make 30 gallons of a 42% alcohol solution by mixing a 30% alcohol solution with a 70% alcohol solution. How many gallons of each solution does he need? \r
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document.write( "Thank you! \n" );
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Algebra.Com's Answer #204525 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! just like all mixture problems. \n" ); document.write( "30*.42=.3x+.7y \n" ); document.write( "x+y=30\r \n" ); document.write( "\n" ); document.write( "x=21 \n" ); document.write( "y=9 \n" ); document.write( " \n" ); document.write( " |